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author | Yann Herklotz <git@yannherklotz.com> | 2019-10-29 12:06:05 +0000 |
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committer | Yann Herklotz <git@yannherklotz.com> | 2019-10-29 12:06:05 +0000 |
commit | 4ee6646b8a78d4c20fe0b89d95f23d382e1c47fc (patch) | |
tree | 9b02e1b92f8abf0baf3dc108ab7f4fb8f33e753a /src/Verismith/Verilog/Quote.hs | |
parent | 1aaff80235237507572e0fb4be86f34cb1829b68 (diff) | |
parent | 01c2ab3f6a58d416528efce3057e2cf2f1604489 (diff) | |
download | verismith-feature/nondeterminism.tar.gz verismith-feature/nondeterminism.zip |
Merge branch 'master' into HEADfeature/nondeterminism
Diffstat (limited to 'src/Verismith/Verilog/Quote.hs')
-rw-r--r-- | src/Verismith/Verilog/Quote.hs | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/Verismith/Verilog/Quote.hs b/src/Verismith/Verilog/Quote.hs new file mode 100644 index 0000000..879b8fd --- /dev/null +++ b/src/Verismith/Verilog/Quote.hs @@ -0,0 +1,50 @@ +{-| +Module : Verismith.Verilog.Quote +Description : QuasiQuotation for verilog code in Haskell. +Copyright : (c) 2019, Yann Herklotz Grave +License : GPL-3 +Maintainer : yann [at] yannherklotz [dot] com +Stability : experimental +Portability : POSIX + +QuasiQuotation for verilog code in Haskell. +-} + +{-# LANGUAGE TemplateHaskell #-} + +module Verismith.Verilog.Quote + ( verilog + ) +where + +import Data.Data +import qualified Data.Text as T +import qualified Language.Haskell.TH as TH +import Language.Haskell.TH.Quote +import Language.Haskell.TH.Syntax +import Verismith.Verilog.Parser + +liftDataWithText :: Data a => a -> Q Exp +liftDataWithText = dataToExpQ $ fmap liftText . cast + +liftText :: T.Text -> Q Exp +liftText txt = AppE (VarE 'T.pack) <$> lift (T.unpack txt) + +-- | Quasiquoter for verilog, so that verilog can be written inline and be +-- parsed to an AST at compile time. +verilog :: QuasiQuoter +verilog = QuasiQuoter + { quoteExp = quoteVerilog + , quotePat = undefined + , quoteType = undefined + , quoteDec = undefined + } + +quoteVerilog :: String -> TH.Q TH.Exp +quoteVerilog s = do + loc <- TH.location + let pos = T.pack $ TH.loc_filename loc + v <- case parseVerilog pos (T.pack s) of + Right e -> return e + Left e -> fail $ show e + liftDataWithText v |